Warning: Permanently added '10.128.1.223' (ED25519) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
[ 182.080997][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 182.088124][ C1] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P4263/1:b..l
[ 182.096302][ C1] (detected by 1, t=10503 jiffies, g=7701, q=48 ncpus=2)
[ 182.103473][ C1] task:udevd state:R running task stack:27368 pid:4263 ppid:3638 flags:0x00004002
[ 182.114832][ C1] Call Trace:
[ 182.118152][ C1]
[ 182.121123][ C1] __schedule+0x10ec/0x40b0
[ 182.125700][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 182.130953][ C1] ? release_firmware_map_entry+0x18a/0x18a
[ 182.136900][ C1] ? do_raw_spin_unlock+0x11d/0x230
[ 182.142146][ C1] ? preempt_schedule+0xa7/0xb0
[ 182.147032][ C1] preempt_schedule_common+0x82/0xd0
[ 182.152361][ C1] preempt_schedule+0xa7/0xb0
[ 182.157076][ C1] ? schedule_preempt_disabled+0x20/0x20
[ 182.162753][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[ 182.168775][ C1] ? lock_chain_count+0x20/0x20
[ 182.173668][ C1] preempt_schedule_thunk+0x16/0x18
[ 182.178923][ C1] _raw_spin_unlock_irqrestore+0xf6/0x100
[ 182.184691][ C1] ? _raw_spin_unlock+0x40/0x40
[ 182.189588][ C1] ? __wake_up_common+0x2a4/0x4e0
[ 182.194664][ C1] __wake_up_sync_key+0x11b/0x180
[ 182.199735][ C1] ? __wake_up_locked_key_bookmark+0x20/0x20
[ 182.205763][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 182.211009][ C1] ? sock_def_readable+0x1e/0x280
[ 182.216070][ C1] sock_def_readable+0x15b/0x280
[ 182.221051][ C1] netlink_broadcast+0xcea/0x10d0
[ 182.226140][ C1] netlink_sendmsg+0x81e/0xbc0
[ 182.230959][ C1] ? netlink_getsockopt+0x540/0x540
[ 182.236202][ C1] ? aa_sock_msg_perm+0x94/0x150
[ 182.241183][ C1] ? bpf_lsm_socket_sendmsg+0x5/0x10
[ 182.246504][ C1] ? security_socket_sendmsg+0x7c/0xa0
[ 182.252009][ C1] ? netlink_getsockopt+0x540/0x540
[ 182.257259][ C1] ____sys_sendmsg+0x59b/0x970
[ 182.262084][ C1] ? __sys_sendmsg_sock+0x30/0x30
[ 182.267147][ C1] ? __import_iovec+0x315/0x500
[ 182.272047][ C1] ? import_iovec+0x6f/0xa0
[ 182.276600][ C1] ___sys_sendmsg+0x21c/0x290
[ 182.281326][ C1] ? __sys_sendmsg+0x270/0x270
[ 182.286148][ C1] ? __might_fault+0xa6/0x120
[ 182.290890][ C1] ? rcu_is_watching+0x11/0xa0
[ 182.295704][ C1] ? __fdget+0x146/0x200
[ 182.300006][ C1] __se_sys_sendmsg+0x19e/0x270
[ 182.304924][ C1] ? __x64_sys_sendmsg+0x80/0x80
[ 182.309936][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 182.315183][ C1] do_syscall_64+0x4c/0xa0
[ 182.319744][ C1] ? clear_bhb_loop+0x60/0xb0
[ 182.324467][ C1] ? clear_bhb_loop+0x60/0xb0
[ 182.329188][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 182.335133][ C1] RIP: 0033:0x7f7ed98a7407
[ 182.339648][ C1] RSP: 002b:00007ffe939dd410 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 182.348097][ C1] RAX: ffffffffffffffda RBX: 00007f7eda08e880 RCX: 00007f7ed98a7407
[ 182.356102][ C1] RDX: 0000000000000000 RSI: 00007ffe939dd470 RDI: 000000000000000c
[ 182.364146][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 182.372166][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000008f
[ 182.380176][ C1] R13: 0000562f8923d8a0 R14: 0000000000000000 R15: 0000000000000004
[ 182.388205][ C1]
[ 182.391259][ C1] rcu: rcu_preempt kthread starved for 10515 jiffies! g7701 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[ 182.402402][ C1] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 182.412410][ C1] rcu: RCU grace-period kthread stack dump:
[ 182.418320][ C1] task:rcu_preempt state:R running task stack:26912 pid:16 ppid:2 flags:0x00004000
[ 182.429143][ C1] Call Trace:
[ 182.432502][ C1]
[ 182.435475][ C1] __schedule+0x10ec/0x40b0
[ 182.440034][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 182.445280][ C1] ? _raw_spin_unlock+0x40/0x40
[ 182.450215][ C1] ? release_firmware_map_entry+0x18a/0x18a
[ 182.456193][ C1] schedule+0xb9/0x180
[ 182.460303][ C1] schedule_timeout+0x15c/0x280
[ 182.465200][ C1] ? console_conditional_schedule+0x40/0x40
[ 182.471136][ C1] ? _raw_spin_unlock_irqrestore+0x82/0x100
[ 182.477077][ C1] ? update_process_times+0x1b0/0x1b0
[ 182.482502][ C1] ? prepare_to_swait_event+0x335/0x350
[ 182.488094][ C1] rcu_gp_fqs_loop+0x2f2/0x1310
[ 182.492989][ C1] ? rcu_gp_kthread+0x380/0x380
[ 182.497920][ C1] ? dump_blkd_tasks+0x810/0x810
[ 182.502906][ C1] ? rcu_gp_init+0x14b0/0x14b0
[ 182.507703][ C1] ? rcu_gp_cleanup+0xb4c/0xca0
[ 182.512598][ C1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 182.517846][ C1] ? lockdep_hardirqs_on+0x94/0x140
[ 182.523093][ C1] rcu_gp_kthread+0x95/0x380
[ 182.527728][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 182.532890][ C1] ? _raw_spin_unlock_irqrestore+0xaa/0x100
[ 182.538834][ C1] ? __kthread_parkme+0x162/0x1c0
[ 182.543925][ C1] kthread+0x29d/0x330
[ 182.548049][ C1] ? rcu_report_qs_rsp+0x1a0/0x1a0
[ 182.553196][ C1] ? kthread_blkcg+0xd0/0xd0
[ 182.557831][ C1] ret_from_fork+0x1f/0x30
[ 182.562307][ C1]
[ 182.565383][ C1] rcu: Stack dump where RCU GP kthread last ran:
[ 182.571745][ C1] Sending NMI from CPU 1 to CPUs 0:
[ 182.576994][ C0] NMI backtrace for cpu 0
[ 182.577015][ C0] CPU: 0 PID: 4274 Comm: syz-executor168 Not tainted syzkaller #0
[ 182.577032][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
[ 182.577042][ C0] RIP: 0010:__lock_acquire+0x5a2/0x7c50
[ 182.577070][ C0] Code: 7c 24 18 0f 85 40 63 00 00 83 3d 88 94 5b 15 00 0f 84 fd 01 00 00 31 db 48 81 c3 b8 00 00 00 48 89 d8 48 c1 e8 03 0f b6 04 10 <84> c0 0f 85 9e 61 00 00 44 0f b6 33 48 8b 44 24 50 0f b6 04 10 84
[ 182.577088][ C0] RSP: 0018:ffffc90003e17720 EFLAGS: 00000802
[ 182.577103][ C0] RAX: 0000000000000000 RBX: ffffffff9046c2b8 RCX: ffffffff8162fc62
[ 182.577115][ C0] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff90ae2240
[ 182.577127][ C0] RBP: ffffc90003e17970 R08: dffffc0000000000 R09: fffffbfff215c449
[ 182.577140][ C0] R10: fffffbfff215c449 R11: 1ffffffff215c448 R12: ffff88807ceb1dc0
[ 182.577153][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88807ceb28c0
[ 182.577164][ C0] FS: 00007fef4ad486c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[ 182.577179][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 182.577191][ C0] CR2: 0000200000000058 CR3: 00000000270e9000 CR4: 00000000003506f0
[ 182.577206][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 182.577215][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 182.577226][ C0] Call Trace:
[ 182.577233][ C0]
[ 182.577241][ C0] ? mark_lock+0x94/0x320
[ 182.577276][ C0] ? verify_lock_unused+0x140/0x140
[ 182.577302][ C0] ? verify_lock_unused+0x140/0x140
[ 182.577323][ C0] ? __lock_acquire+0x13c0/0x7c50
[ 182.577346][ C0] ? verify_lock_unused+0x140/0x140
[ 182.577370][ C0] lock_acquire+0x1b4/0x490
[ 182.577391][ C0] ? __lock_timer+0x35/0x3f0
[ 182.577419][ C0] ? read_lock_is_recursive+0x10/0x10
[ 182.577443][ C0] ? dequeue_signal+0x1ae/0x4b0
[ 182.577467][ C0] __lock_timer+0x55/0x3f0
[ 182.577490][ C0] ? __lock_timer+0x35/0x3f0
[ 182.577511][ C0] ? __lock_timer+0x35/0x3f0
[ 182.577536][ C0] posixtimer_rearm+0x5c/0x340
[ 182.577559][ C0] ? do_raw_spin_unlock+0x11d/0x230
[ 182.577586][ C0] dequeue_signal+0x1b6/0x4b0
[ 182.577608][ C0] ? __might_fault+0xa6/0x120
[ 182.577636][ C0] get_signal+0x547/0x1350
[ 182.577668][ C0] arch_do_signal_or_restart+0xb0/0x1230
[ 182.577691][ C0] ? __ia32_sys_rt_sigreturn+0x660/0x790
[ 182.577713][ C0] ? load_gs_index+0x120/0x120
[ 182.577733][ C0] ? get_sigframe_size+0x10/0x10
[ 182.577759][ C0] ? exit_to_user_mode_loop+0x3b/0x110
[ 182.577784][ C0] exit_to_user_mode_loop+0x70/0x110
[ 182.577808][ C0] exit_to_user_mode_prepare+0xee/0x180
[ 182.577832][ C0] syscall_exit_to_user_mode+0x16/0x40
[ 182.577856][ C0] do_syscall_64+0x58/0xa0
[ 182.577873][ C0] ? clear_bhb_loop+0x60/0xb0
[ 182.577891][ C0] ? clear_bhb_loop+0x60/0xb0
[ 182.577908][ C0] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 182.577936][ C0] RIP: 0033:0x7fef4ad8fe07
[ 182.577949][ C0] Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1c 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89
[ 182.577962][ C0] RSP: 002b:00007fef4ad48178 EFLAGS: 00000246
[ 182.577975][ C0] RAX: 00000000000000ca RBX: 00007fef4ae12308 RCX: 00007fef4ad8fe09
[ 182.577986][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fef4ae12308
[ 182.577997][ C0] RBP: 00007fef4ae12300 R08: 00007fef4ad486c0 R09: 00007fef4ad486c0
[ 182.578010][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fef4ae1230c
[ 182.578021][ C0] R13: 0000000000000000 R14: 00007ffe6a6b95d0 R15: 00007ffe6a6b96b8
[ 182.578038][ C0]
[ 182.578044][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.054 msecs